sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2600, base_ring=CyclotomicField(20))
M = H._module
chi = DirichletCharacter(H, M([0,0,13,5]))
pari:[g,chi] = znchar(Mod(1217,2600))
χ2600(177,⋅)
χ2600(473,⋅)
χ2600(697,⋅)
χ2600(1217,⋅)
χ2600(1513,⋅)
χ2600(1737,⋅)
χ2600(2033,⋅)
χ2600(2553,⋅)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
(1951,1301,1977,1601) → (1,1,e(2013),i)
a |
−1 | 1 | 3 | 7 | 9 | 11 | 17 | 19 | 21 | 23 | 27 | 29 |
χ2600(1217,a) |
1 | 1 | e(2011) | 1 | e(101) | e(203) | e(2019) | e(2019) | e(2011) | e(2013) | e(2013) | e(103) |
sage:chi.jacobi_sum(n)